AstDyS-2

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AstDyS ∴ Objects ∴ 1998UM21 ∴ Summary
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(44447) 1998UM21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56873 1.005e-08 au
e 0.191666 5.443e-08
i 13.638 5.324e-06 deg
Ω 213.881 1.837e-05 deg
ω 169.291 2.189e-05 deg
M 61.004 1.42e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0764 au
Aphelion 3.0611 au
Asc. node-Earth separation 2.04265 au
Desc. node-Earth separation 1.0892 au
Earth MOID 1.08217 au
Orbital period 1503.75 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 1451 (11)
Radar observations (Discarded) 0 (0)
Arc length 12151.1 days
Unobserved 62 days

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Ephemeris at epoch 60425 MJD
Right Ascension 91.1671 deg
Declination 11.9854 deg
V Magnitude 20.05 mag
Solar Elongation -56.98 deg
Galactic Latitude -4.69 deg
Rate 0.406 deg/day
Direction 86.389 deg

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